Who owns MAC prefix 001D40?

001D40 is registered to Intel – GE Care Innovations LLC in the IEEE MA-L registry.

What devices use 001D40?

Any network device with a MAC address starting 00:1D:40 was manufactured by or for Intel – GE Care Innovations LLC.

MA-L · OUI prefix

Intel – GE Care Innovations LLC

Any MAC address starting 00:1D:40 is registered to Intel – GE Care Innovations LLC in US.

OUI prefix	001D40
Vendor	Intel – GE Care Innovations LLC
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:1D:40:00:00:00

What this means

The IEEE assigned the MA-L block 001D40 to Intel – GE Care Innovations LLC. Every network interface they manufacture under this block has a MAC address beginning with these digits, followed by a unique per-device identifier. If a device on your network shows a MAC starting 00:1D:40, it is Intel – GE Care Innovations LLC hardware.

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